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www.tissotwatches.com 3/3 161_EN / 04.19
GMT-24h
Technical information
Power reserve
TISSOT
®
automatic watches draw their energy from an oscillating weight which is activated in response to the natural movements of your wrist. This weight
keeps the watch wound. Automatic watches do not need a battery. Your TISSOT
®
watch is designed to have a power reserve of up to 80 hours.
Precision
The precision of a mechanical watch depends on the movements and habits of the person wearing it, and so it can vary. A TISSOT
®
qualified watchmaker
can adjust the precision of a watch within the TISSOT
®
tolerance thresholds. Most watches which are not certified chronometers have an average precision
tolerance of around -10/+30 seconds per day.
A chronometer is a high-precision mechanical watch, which has obtained an official certificate issued by COSC (Contrôle Officiel Suisse des Chronomètres),
after its movement has passed several precision tests in various positions and at various temperatures, as well as water-resistance tests, performed in
the laboratory for 15 days and 15 nights. To be awarded the title of chronometer, the average precision of the mechanical movement must be between
-4/+6 seconds per day.
Water resistance
TISSOT
®
watches are designed to withstand a pressure of up to 3 bar (30 m / 100 ft), 5 bar (50 m / 165 ft), 10 bar (100 m / 330 ft), 20 bar (200 m / 660 ft) or
30 bar (300 m / 1000 ft), depending on the information shown on the case-back.
A watch cannot be permanently guaranteed absolutely water-resistant. It may be affected by ageing of the gaskets or by an accidental impact on the watch.
We recommend that you have your watch's water resistance checked once a year by an approved TISSOT
®
service centre.
Care and maintenance
Temperature
Do not expose your watch to sudden temperature changes (exposure to sunlight followed by immersion in cold water) or extreme temperatures (over 60 °C
(140 °F) or below 0 °C (32 °F)).
Magnetic fields
Do not expose your watch to intense magnetic fields such as those generated by speakers, mobile phones, computers, refrigerators or other electromagnetic
appliances.
Shocks and impacts
Avoid thermal shocks or impacts, since they may harm your watch. In the event of a violent impact please have your watch checked by an approved TISSOT
®
service centre.
Harmful products
Prevent your watch from coming into any direct contact with solvents, detergents, perfumes, cosmetic products etc., since they may damage the bracelet, the
case or the gaskets.
Cleaning
We would advise you to clean your watch regularly (except for the leather strap) using a soft cloth and lukewarm soapy water. After immersion in salty water,
rinse your watch in fresh water and leave it to dry completely.
Service
Like any precision instrument, a watch must be serviced regularly for optimum operation. As a general rule, we recommend that you have your watch checked
every 3 to 4 years by your approved TISSOT
®
retailer or service centre. However, please note that depending on the climate and the conditions of use of the
watch, a shorter interval may be required. To obtain the highest standards of service and to ensure your warranty remains in force, please always contact an
approved TISSOT
®
retailer or service centre.
Availability and spare parts
From the production end date of the watch, TISSOT
®
guarantees the availability of its spare parts for a minimum period of 10 years for standard watches, and
for a period of up to 20 years for gold watches. If for any reason production of a particular spare part is stopped or deferred, TISSOT
®
reserves the right, at its
sole discretion, to offer the customer an alternative solution.